Set water to boil. Cook pasta per directions
In the meantime, heat large skillet over medium heat. Add olive oil. When warmed up, toss in veggies. Stir for 2-3 minutes. Add in garlic, and stir till aromatic. Add in half of cajun spice. Stir till well incorporated. Add in whole tomatoes and liquid. Break tomatoes down with a wooden spoon and let cook for another 2-3 minutes.
Pour in heavy cream. Let simmer for 2-3 minutes on low heat. Then add in half of parmesan cheese. Stir well.
Adjust for seasonings. Add remainder of cajun spice, more if needed.
Drain pasta and add to skillet. Give a quick stir until pasta is coated with sauce. Top pasta with remaining half of parmesan cheese.
Serve and enjoy!